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INVITATION to RE-BID 2019-021 Elaine Street Improvements

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INVITATION to RE-BID 2019-021 Elaine Street Improvements Town of Hampton Bid 2019-021 Elaine Street Improvements INVITATION TO RE-BID 2019-021 Elaine Street Improvements INTENT The Town of Hampton, acting through its Town Manager for the Hampton Department of Public Works (DPW), in accordance with the provisions of New Hampshire Revised Statutes Annotated Chapter 37, Section 6 and the provisions of the Town’s Purchasing Policy and Purchasing Procedures Chapter 718 of the Hampton Code requests sealed written bid proposals from qualified Contractors for the replacement along Elaine Street in Hampton of approximately 1,024 ft. of 6” Vitrified Clay Pipe (VCP) sewer main, four (4) sewer manholes, the construction of one (1) new sewer manhole, sixteen (16) sewer services, 170 lf of 12’ HDPE drain pipe, four (4) catch basins and trench repair, more particularly described in the following Scope of Work, Detailed Specifications and Attachments. INSTRUCTIONS All inquiries regarding the bid document, bid procedure, and any technical aspect may be directed to Jennifer Hale, DPW Deputy Director at (603) 926-3202 weekdays between the hours of 7:00 AM and 3:30 PM, or by email at [email protected] All bids shall be submitted in conformance with this Invitation to Bid and all its sections, any attachments, and any addenda distributed, all requested information must be supplied. Failure to comply will be reflected in the evaluation of the bid, and may result in disqualification of the bidder. SCOPE OF WORK The Contractor shall furnish all personnel, labor, materials, equipment, and means for the construction of the sewer and drainage replacement project along Elaine Street from Winnacunnet Road to Richard Street. The work includes but is not limited to the following: Excavation, earthwork, removal of old piping/structures, by-pass sewer pumping, dewatering (if necessary), installation of a new 8” sewer main, installation of four (4) sewer manholes, installation of sixteen (16) sewer services and cleanouts to the outer edge of the right-of-way line, installation of a new 12” HDPE drainage main, installation of four (4) catch basin, installation of backfill, compaction, testing, temporary trench patching, loam, seeding, grading, liming, fertilization, mulching, and watering of any disturbed areas, traffic control management and all other items incidental to the whole construction. The intent of this bid is for the Town of Hampton to hire a qualified Contractor to perform the following, all as described in Attachment C attached hereto: Survey/Grade control and invert measurement of all sewer and drain structures (Contractor to submit information prior to ordering structures) Survey/Grade control for crown of road and edge of pavement to match existing condition Test Pit Excavation and backfill for utility location identification Installation of erosion control within the project area Sawcut and removal of the existing pavement along trench lines Page 1 of 21 Town of Hampton Bid 2019-021 Elaine Street Improvements Installation of by-pass pumping between manhole segments (Contractor to submit by- pass plan for approval) Excavation of and removal of existing trench materials for sewer construction Dewatering of trench as necessary for sewer construction (Contractor to submit De- watering plan for approval) Removal of existing VCP sewer main, existing sewer services and disposal Installation of new bedding material for sewer construction Installation of a new 8” SDR 35 pipe to existing line and grade for sewer main and installation of a new 4” SDR pipe to existing line and grade for sewer services with new cleanouts to the outer edge of the right-of way line. Installation of four (4) new sewer manholes including testing and inverts Preparation, compaction and bringing to grade of the trench for sewer construction including compaction testing Excavation of and removal of existing trench materials for drainage construction Dewatering of trench as necessary for drainage construction (Contractor to submit De- watering plan for approval) Removal of existing VCP drainage main and catch basins and disposal Installation of new bedding material for drainage construction Installation of a new 12” HDPE pipe to existing line and grade for drainage main; installation of four (4) new catch basins Raising of structures to grade Preparation, compaction and bringing to grade of the trench for drainage construction including compaction testing Repaving and temporary sealing of trenches Loam, seeding, grading, liming, fertilization, mulching, and watering any disturbed areas Incidental work as required PLANS Attachment A describe the limits of work and Attachment B contains construction design details. Attachments A is diagrammatic and intended to provide the elements and limits of work. Attachment B provides the design details for this project. Field verification by the Contractor of elevation and the establishment of grade is required. Field conditions shall govern final line and grade upon consultation with the DPW Director or his designee. DETAILED SPECIFICATIONS Materials, equipment, labor, etc., that are obviously a part of the work and necessary for the proper operation and installation of same, although not specifically indicated in the Contract Documents, shall be provided as if called for in detail, and without additional cost to the Town of Hampton. General A. All work shall conform to NHDOT Standard Specifications for Road and Bridge Construction latest edition, the Manual on Uniform Traffic Control Devises for Streets and Highways latest edition and this Bid Document. Page 2 of 21 Town of Hampton Bid 2019-021 Elaine Street Improvements B. A preconstruction video will be required from the Contractor. The preconstruction video shall cover each section of roadwork showing the centerline, edges of pavement, driveways, mailboxes, ornamental fences, and intersections with additional spot areas as necessary to show the full scope of the intended work area. A copy of the video on DVD shall be supplied to the Town prior to commencing with the work or moving equipment to the site. C. The Contractor shall be responsible for applying for an Excavation Permit (fee waived) from the Department of Public Works. D. The Contractor shall supply and pay for all materials, parts and labor necessary for the project. E. The Contractor shall supply the Director of Public Works or his designee with materials submittals for approval prior to ordering any materials needed for the project. Submittals will be required but limited to: Soils, aggregate, piping, structures, frames, grates and temporary asphalt mix. F. All construction signing shall be supplied, erected, maintained, and removed by the Contractor. No operation shall be conducted on or near the traveled lanes or roadway shoulders without first having in place the necessary traffic control (i.e., cones, drums, police details, etc.), as required by the DPW Director or his designee. Traffic Controls to be used require prior approval of the DPW Director or his designee. G. Except as specified, in part H below, all materials to be used on the project shall be new and have prior approval of the DPW Director or his designee. All materials installed under this Contract shall be listed on the NHDOT Qualified Products List as appropriate, unless otherwise specified in the Contract Documents. A list (Submittal Log) of materials proposed materials shall be provided by the Contractor to the DPW Director or his designee. H. Existing excavated materials that are acceptable to the DPW Director or his designee may be used for backfill (excluding peat, clay, or soil rejected by the DPW Director or his designee); any other surplus materials resulting from the work, and not needed for use on the project and not directed to be stored as determined by the DPW Director or his designee shall be disposed of by the Contractor apart from and away from the limits of the project subject to the regulations and requirements of local authorities governing the disposal of such materials. No materials will be allowed to be disposed of at the Hampton Transfer Station. I. The Contractor shall exercise due care when working around all layout bounds and property markers that are to remain. This shall include, but not necessarily be limited to, concrete and granite bounds, iron rods, rebars, stakes, pipes, nails, or any other property or layout markers whether existing or proposed under this project. Should any damage to a property marker result from the actions of the Contractor, the marker shall be replaced, realigned, and/or reset to its intended position by a Licensed Land Surveyor hired by the Contractor as directed by the DPW Director or his designee. No further compensation will be due to the Contractor for the materials and labor required to re-establish the property marker as described above. Page 3 of 21 Town of Hampton Bid 2019-021 Elaine Street Improvements J. Cleanup of the site and removal of equipment and materials shall be the responsibility of the Contractor within the above-specified period and shall be part of the work. Access to properties shall be reasonably maintained during work hours and fully accessible upon the close of each day’s activities. Access for emergency vehicles shall be maintained throughout the duration of the project. K. The Contractor shall be responsible for notifying “Dig Safe” and for proper care of other utilities. The costs of any corrective repairs to utilities are the responsibility of the Contractor without cost to the Town. L. The Contractor shall not store equipment, construction vehicles, and materials within the clear zone of the traveled way (when a detour is not in place). Location of storage areas within the right-of-way will be subject to the approval by the DPW Director or his designee. The Contractor shall maintain a clear travel-way for emergency vehicles and general access to abutting properties at all times. M. The Contractor shall not commence work under this contract until it has obtained all the insurance required under this article (below) and such insurance certificates has been presented and has been approved by the DPW Director or his designee.
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